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    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="css/树状结构.css">
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<body>
    <div class="title">
        <h2>精选手册
        <a href="http://www.xuexi.cn">查看更多 ></a>
        </h2>
    </div>
    <div class="conter">
        <ul>
            <li class="clear"><div class="pic">
                <img src="img/3.jpg" alt="">
            </div>
            <div class="text">
                <h3>点我查看</h3>
                <span>查看详细内容</span>
                <a href="http://www.baidu.con"></a>
            </div>
            </li>
            <li class="clear">
                <div class="pic">
                <img src="img/3.jpg" alt="">
            </div>
            <div class="text">
                <h3>点我打开</h3>
                <span>查看详细内容</span>
                <a href="http://www.bilibili.con"></a>
            </div>
            </li>
        </ul>
    </div>
</body>
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